<template>
	<div class="login-container">
		<el-form
			class="login-form"
			ref="loginFromRef"
			:model="loginForm"
			:rules="loginRules"
		>
			<div class="title-container">
				<h3 class="title">{{ $t('msg.login.title') }}</h3>
				<lang-select class="lang-select" effect="light"></lang-select>
			</div>

			<el-form-item prop="username">
				<span class="svg-container">
					<svg-icon icon="user" />
				</span>
				<el-input
					placeholder="username"
					name="username"
					type="text"
					v-model="loginForm.username"
				/>
			</el-form-item>

			<el-form-item prop="password">
				<span class="svg-container">
					<svg-icon icon="password" />
				</span>
				<el-input
					placeholder="password"
					name="password"
					:type="passwordType"
					v-model="loginForm.password"
				/>
				<span class="show-pwd">
					<svg-icon
						:icon="passwordType === 'password' ? 'eye' : 'eye-open'"
						@click="onChangePwdType"
					/>
				</span>
			</el-form-item>

			<el-button
				type="primary"
				style="width: 100%; margin-bottom: 30px"
				:loading="loading"
				@click="handleLogin"
				>{{ $t('msg.login.loginBtn') }}</el-button
			>

			<div class="tips" v-html="$t('msg.login.desc')"></div>
		</el-form>
	</div>
</template>

<script setup>
import LangSelect from '@/components/LangSelect/index.vue'
import { ref } from 'vue'
import { validatePassword } from './rules'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'
import { useI18n } from 'vue-i18n'

// 数据源
const loginForm = ref({
	username: 'super-admin',
	password: '123456'
})
// 验证规则
const i18n = useI18n()
const loginRules = ref({
	username: [
		{
			required: true,
			trigger: 'blur',
			message: i18n.t('msg.login.usernameRule')
		}
	],
	password: [
		{
			required: true,
			trigger: 'blur',
			validator: validatePassword()
		}
	]
})

// 处理密码框文本显示状态
const passwordType = ref('password')
const onChangePwdType = () => {
	if (passwordType.value === 'password') {
		passwordType.value = 'text'
	} else {
		passwordType.value = 'password'
	}
}

// 登录动作处理
const loading = ref(false)
const loginFromRef = ref(null)
const store = useStore()
const router = useRouter()
const handleLogin = () => {
	loginFromRef.value.validate((valid) => {
		if (!valid) return

		loading.value = true
		store
			.dispatch('user/login', loginForm.value)
			.then(() => {
				loading.value = false
				// 登录后操作
				router.push('/')
			})
			.catch((err) => {
				console.log(err)
				loading.value = false
			})
	})
}
</script>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
$cursor: #fff;

.login-container {
	min-height: 100%;
	width: 100%;
	background-color: $bg;
	overflow: hidden;

	.login-form {
		position: relative;
		width: 520px;
		max-width: 100%;
		padding: 160px 35px 0;
		margin: 0 auto;
		overflow: hidden;

		::v-deep .el-form-item {
			border: 1px solid rgba(255, 255, 255, 0.1);
			background: rgba(0, 0, 0, 0.1);
			border-radius: 5px;
			color: #454545;
		}

		::v-deep .el-input {
			display: inline-block;
			height: 47px;
			width: 85%;

			input {
				background: transparent;
				border: 0px;
				-webkit-appearance: none;
				border-radius: 0px;
				padding: 12px 5px 12px 15px;
				color: $light_gray;
				height: 47px;
				caret-color: $cursor;
			}
		}
	}

	.tips {
		font-size: 16px;
		line-height: 28px;
		color: #fff;
		margin-bottom: 10px;

		span {
			&:first-of-type {
				margin-right: 16px;
			}
		}
	}

	.svg-container {
		padding: 6px 5px 6px 15px;
		color: $dark_gray;
		vertical-align: middle;
		display: inline-block;
	}

	.title-container {
		position: relative;

		.title {
			font-size: 26px;
			color: $light_gray;
			margin: 0px auto 40px auto;
			text-align: center;
			font-weight: bold;
		}

		::v-deep .lang-select {
			position: absolute;
			top: 4px;
			right: 0;
			background-color: white;
			font-size: 22px;
			padding: 4px;
			border-radius: 4px;
			cursor: pointer;
		}
	}

	.show-pwd {
		position: absolute;
		right: 10px;
		top: 7px;
		font-size: 16px;
		color: $dark_gray;
		cursor: pointer;
		user-select: none;
	}
}
</style>
